Brief History of 3D Guided Thoracoscopic Anatomical Segmentectomy -- Anatomy of Lung Segments -- Lung 3D Reconstruction -- Indications and Technical Details of Segmentectomy -- Resection of the Left Upper Lung Proper Lobe with 3D Navigation -- Resection of Left Upper Lung Tongue Segment with 3D Navigation -- Resection of Left Upper Anterior Segment of Lung with 3D Navigation -- Resection of Right Upper Apical Segment with 3D Navigation -- Extended Resection of the Posterior Segment of the Right Upper Lung with 3D Navigation -- Resection of Right Upper Anterior Segment Resection with 3D Navigation -- Resection of the Posterior Segment of the Right Upper Lung + The Anterior Segment of the Right Upper Lung with 3D Navigation -- Resection of Posterior Segment + Anterior Segment of Right Upper Lung Apex with 3D Navigation -- Resection of Left Lower Dorsal Segment of Lung with 3D Navigation -- Resection of the Outer Sub Segment of the Anterior Basal Segment of the Right Lower Lung with 3D Navigation -- Resection of Left Lower Lung Outer Basal Segment + Posterior Basal Segment with 3D Navigation -- Resection of Inner and Outer Subsegment of Posterior Basal Segment of Left Lower Lung with 3D Navigation.